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Ford Mustang MOT Results

78.5% pass rate
from 2,018 tests in 2017
(26% better than other pre-1990 cars)
Number of tests by age
Failure rates by item

Here you can drill down into the failure rates for each item on the test. We've also compared the rates to the average results for pre-1990 cars and highlighted areas where the Ford Mustang is unusually good or bad.

  • 14% fail on Lamps, Reflectors and Electrical Equipment (16% better than other pre-1990 cars)
    • 5.7% fail on Headlamp aim (30% worse than other pre-1990 cars)
    • 4.4% fail on Direction indicators
      • 4.3% fail on Flashing type
        • 2.9% fail on Individual lamps (69% worse than other pre-1990 cars)
        • 1.2% fail on All direction indicators
        • 0.20% fail on Tell tales
        • 0.15% fail on Switch
      • 0.050% fail on Semaphore
        • 0.050% fail on Tell tales
    • 3.5% fail on Position lamps
      • 2.6% fail on Front lamps
      • 1.0% fail on Rear lamps
      • 0.25% fail on All position lamps
    • 3.0% fail on Horn (45% worse than other pre-1990 cars)
    • 2.5% fail on Battery (110% worse than other pre-1990 cars)
    • 2.5% fail on Stop lamp
    • 2.1% fail on Headlamps (39% better than other pre-1990 cars)
      • 1.7% fail on Headlamp (43% better than other pre-1990 cars)
      • 0.20% fail on Headlamp defects which don't require an aim check on retest
        • 0.20% fail on Main beam 'tell-tale'
      • 0.099% fail on Headlamp defects which do require an aim check on retest
        • 0.099% fail on Main beam 'tell-tale'
      • 0.099% fail on Dipswitch
      • 0.050% fail on Switch
    • 1.7% fail on Registration plate lamp (37% better than other pre-1990 cars)
    • 0.40% fail on Rear fog lamp (82% better than other pre-1990 cars)
      • 0.40% fail on Fog lamp (80% better than other pre-1990 cars)
      • 0.099% fail on Switch
      • 0.050% fail on Tell tale
    • 0.25% fail on Hazard warning (72% better than other pre-1990 cars)
      • 0.20% fail on Lamp
      • 0.050% fail on Switch
    • 0.15% fail on Electrical wiring
    • 0.099% fail on Headlamp aim not tested
  • 12% fail on Brakes
    • 9.5% fail on Brake performance
      • 6.7% fail on Parking brake performance (98% worse than other pre-1990 cars)
      • 3.8% fail on Rear wheels
      • 3.2% fail on Front wheels
      • 2.0% fail on Service brake performance
      • 0.79% fail on Brake imbalance
      • 0.099% fail on Brake operation
      • 0.050% fail on Brake performance not tested
    • 3.2% fail on Hydraulic systems
      • 2.6% fail on Components
        • 2.1% fail on Hoses (85% worse than other pre-1990 cars)
        • 0.59% fail on Pipes (57% better than other pre-1990 cars)
        • 0.050% fail on Cylinders
        • 0.050% fail on Reservoirs
      • 0.50% fail on Leaks
      • 0.099% fail on Operation
      • 0.050% fail on Brake fluid warning lamp
    • 0.99% fail on Parking brake
      • 0.99% fail on Condition
    • 0.40% fail on Service brake control components
      • 0.40% fail on Pedal
        • 0.20% fail on Condition
        • 0.20% fail on Anti-slip
    • 0.35% fail on Mechanical components
      • 0.30% fail on Cable
      • 0.050% fail on Lever
    • 0.30% fail on Hub components (65% better than other pre-1990 cars)
      • 0.15% fail on Brake calipers
      • 0.099% fail on Brake pads
      • 0.050% fail on Brake discs
    • 0.25% fail on Restricted movement
    • 0.15% fail on Prescribed areas
      • 0.15% fail on Park brake mechanism/associated mountings (3 times worse than other pre-1990 cars)
    • 0.050% fail on Air and vacuum systems
      • 0.050% fail on Components
        • 0.050% fail on Servos
  • 6.9% fail on Driver's view of the road
    • 6.0% fail on Washers (27% worse than other pre-1990 cars)
    • 1.6% fail on Wipers (43% better than other pre-1990 cars)
    • 0.15% fail on Mirrors
  • 6.0% fail on Suspension (38% better than other pre-1990 cars)
    • 1.7% fail on Suspension arms
      • 1.5% fail on Pins/bushes/ball joints
      • 0.15% fail on Attachment
      • 0.099% fail on Condition
    • 1.5% fail on Wheel bearings
      • 1.3% fail on Front
      • 0.25% fail on Rear
    • 1.2% fail on Prescribed areas (70% better than other pre-1990 cars)
      • 0.64% fail on Component mounting (77% better than other pre-1990 cars)
      • 0.55% fail on Spring mounting
    • 1.0% fail on Front suspension joints
    • 0.79% fail on Shock absorbers
      • 0.79% fail on Condition
    • 0.45% fail on Anti-roll bars
      • 0.25% fail on Pins/bushes/ball joints
      • 0.20% fail on Linkage pins/bushes/ball joints
      • 0.050% fail on Attachment
    • 0.25% fail on Tie bars/rods
      • 0.15% fail on Pins/bushes/ball joints
      • 0.099% fail on Attachment
    • 0.20% fail on Coil springs
      • 0.099% fail on Condition
      • 0.099% fail on Location
    • 0.15% fail on Leaf springs
      • 0.050% fail on Pins and bushes
        • 0.050% fail on Anchor
      • 0.050% fail on Anchor bracket
      • 0.050% fail on Shackle bracket
      • 0.050% fail on Securing bolts
    • 0.099% fail on Front suspension retaining and locking devices
    • 0.099% fail on Drive shafts (90% better than other pre-1990 cars)
      • 0.050% fail on Front drive shafts
        • 0.050% fail on Constant velocity joints
      • 0.050% fail on Any drive shaft which is part of the suspension
        • 0.050% fail on Drive shafts
    • 0.050% fail on Radius arms
      • 0.050% fail on Pins/bushes/ball joints
  • 5.5% fail on Steering
    • 4.1% fail on Steering system
      • 1.9% fail on Track rod end
      • 0.55% fail on Drag link end
      • 0.50% fail on Ball joint
      • 0.40% fail on Free play
        • 0.25% fail on Steering box
        • 0.15% fail on Steering rack
      • 0.30% fail on Other components
        • 0.30% fail on Steering pivot point
      • 0.25% fail on Steering rack (80% better than other pre-1990 cars)
      • 0.25% fail on Intermediate drop arm (5 times worse than other pre-1990 cars)
      • 0.25% fail on Steering arm
      • 0.15% fail on Steering box
      • 0.050% fail on Steering damper
    • 1.7% fail on Power steering (3 times worse than other pre-1990 cars)
      • 0.69% fail on Pipes and hoses (6 times worse than other pre-1990 cars)
      • 0.59% fail on Rams (24 times worse than other pre-1990 cars)
      • 0.25% fail on Pump (5 times worse than other pre-1990 cars)
      • 0.20% fail on Drive system (10 times worse than other pre-1990 cars)
      • 0.15% fail on Operation
      • 0.15% fail on Other components
    • 0.55% fail on Steering control
      • 0.45% fail on Steering wheel (2 times worse than other pre-1990 cars)
      • 0.099% fail on Steering column
      • 0.050% fail on Steering coupling
        • 0.050% fail on Flexible coupling
    • 0.25% fail on Steering operation
    • 0.099% fail on Locking devices
    • 0.050% fail on Prescribed areas
  • 1.9% fail on Exhaust, Fuel and Emissions (67% better than other pre-1990 cars)
    • 1.0% fail on Exhaust system (56% better than other pre-1990 cars)
    • 0.79% fail on Fuel system
      • 0.30% fail on Cap
      • 0.20% fail on Pipe
      • 0.20% fail on System
      • 0.15% fail on Hose
    • 0.20% fail on Emissions (92% better than other pre-1990 cars)
    • 0.050% fail on Emissions not tested
  • 1.4% fail on Body, Structure and General Items (60% better than other pre-1990 cars)
    • 0.64% fail on Vehicle structure
      • 0.64% fail on Chassis
    • 0.25% fail on Doors
      • 0.25% fail on Passengers front
      • 0.050% fail on Drivers
    • 0.25% fail on Seats
      • 0.25% fail on Drivers
      • 0.099% fail on Passengers
    • 0.20% fail on Speedometer
    • 0.20% fail on Body condition (85% better than other pre-1990 cars)
    • 0.050% fail on Engine mountings
  • 1.2% fail on Tyres (46% better than other pre-1990 cars)
    • 0.55% fail on Condition (57% better than other pre-1990 cars)
    • 0.55% fail on Tread depth
    • 0.099% fail on Size/type
    • 0.050% fail on Valve stem
  • 1.1% fail on Seat Belts and Supplementary Restraint Systems (47% better than other pre-1990 cars)
    • 1.1% fail on Seat belts (47% better than other pre-1990 cars)
      • 0.45% fail on Requirements (200% worse than other pre-1990 cars)
      • 0.30% fail on Prescribed areas (80% better than other pre-1990 cars)
      • 0.25% fail on Attachment
      • 0.20% fail on Condition
  • 0.55% fail on Registration plates and VIN
    • 0.45% fail on Registration plate
    • 0.099% fail on Vehicle Identification Number
  • 0.15% fail on Road Wheels
    • 0.15% fail on Attachment